diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/cm4008/Kconfig | 12 | ||||
| -rw-r--r-- | board/cm4008/MAINTAINERS | 6 | ||||
| -rw-r--r-- | board/cm4008/Makefile | 8 | ||||
| -rw-r--r-- | board/cm4008/cm4008.c | 88 | ||||
| -rw-r--r-- | board/cm4008/config.mk | 1 | ||||
| -rw-r--r-- | board/cm4008/flash.c | 395 | ||||
| -rw-r--r-- | board/cm41xx/Kconfig | 12 | ||||
| -rw-r--r-- | board/cm41xx/MAINTAINERS | 6 | ||||
| -rw-r--r-- | board/cm41xx/Makefile | 8 | ||||
| -rw-r--r-- | board/cm41xx/cm41xx.c | 88 | ||||
| -rw-r--r-- | board/cm41xx/config.mk | 1 | ||||
| -rw-r--r-- | board/cm41xx/flash.c | 395 |
12 files changed, 0 insertions, 1020 deletions
diff --git a/board/cm4008/Kconfig b/board/cm4008/Kconfig deleted file mode 100644 index de87d5b..0000000 --- a/board/cm4008/Kconfig +++ /dev/null @@ -1,12 +0,0 @@ -if TARGET_CM4008 - -config SYS_BOARD - default "cm4008" - -config SYS_SOC - default "ks8695" - -config SYS_CONFIG_NAME - default "cm4008" - -endif diff --git a/board/cm4008/MAINTAINERS b/board/cm4008/MAINTAINERS deleted file mode 100644 index 5f08bc3..0000000 --- a/board/cm4008/MAINTAINERS +++ /dev/null @@ -1,6 +0,0 @@ -CM4008 BOARD -M: Greg Ungerer <greg.ungerer@opengear.com> -S: Maintained -F: board/cm4008/ -F: include/configs/cm4008.h -F: configs/cm4008_defconfig diff --git a/board/cm4008/Makefile b/board/cm4008/Makefile deleted file mode 100644 index 04b1529..0000000 --- a/board/cm4008/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y := cm4008.o flash.o diff --git a/board/cm4008/cm4008.c b/board/cm4008/cm4008.c deleted file mode 100644 index 740e164..0000000 --- a/board/cm4008/cm4008.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * (C) Copyright 2005 - * Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com> - * - * (C) Copyright 2002 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/platform.h> -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* ------------------------------------------------------------------------- */ - -#define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) -#define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b) - -/* ------------------------------------------------------------------------- */ - - -/* - * Miscelaneous platform dependent initialisations - */ -int env_flash_cmdline (void) -{ - char *sp = (char *) 0x0201c020; - char *ep; - int len; - - /* Check if "erase" push button is depressed */ - if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) { - printf("### Entering network recovery mode...\n"); - setenv("bootargs", "console=ttyAM0,115200 mem=16M initrd=0x400000,6M root=/dev/ram0"); - setenv("bootcmd", "bootp 0x400000; gofsk 0x400000"); - setenv("bootdelay", "2"); - return 0; - } - - /* Check for flash based kernel boot args to use as default */ - for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++) - ; - - if ((len > 0) && (len <1024)) - setenv("bootargs", sp); - - return 0; -} - -int board_late_init (void) -{ - return 0; -} - -int board_eth_init(bd_t *bis) -{ - return ks8695_eth_initialize(); -} - -int board_init (void) -{ - /* arch number of CM4008 */ - gd->bd->bi_arch_number = 624; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x00000100; - - /* power down all but port 0 on the switch */ - ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005); - ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005); - - return 0; -} - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - - return (0); -} diff --git a/board/cm4008/config.mk b/board/cm4008/config.mk deleted file mode 100644 index 0d5923b..0000000 --- a/board/cm4008/config.mk +++ /dev/null @@ -1 +0,0 @@ -CONFIG_SYS_TEXT_BASE = 0x00f00000 diff --git a/board/cm4008/flash.c b/board/cm4008/flash.c deleted file mode 100644 index 8315a57..0000000 --- a/board/cm4008/flash.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - * (C) Copyright 2005 - * Greg Ungerer, OpenGear Inc, greg.ungerer@opengear.com - * - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/byteorder/swab.h> -#include <asm/sections.h> - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, unsigned char data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((unsigned char *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - case 1: - /* ignore for now */ - flash_info[i].flash_id = FLASH_UNKNOWN; - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + (__bss_end - __bss_start), - &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) - return; - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info) -{ - volatile unsigned char value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = 0xAA; - addr[0x2AAA] = 0x55; - addr[0x5555] = 0x90; - - mb (); - value = addr[0]; - - switch (value) { - - case (unsigned char)INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = 0xFF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[2]; /* device ID */ - - switch (value) { - - case (unsigned char)INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (unsigned char)INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000; - break; /* => 16 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = 0xFF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int prot, sect; - ulong type; - int rcode = 0; - ulong start; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) - printf ("- Warning: %d protected sectors will not be erased!\n", prot); - else - printf ("\n"); - - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - volatile unsigned char *addr; - unsigned char status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - addr = (volatile unsigned char *) (info->start[sect]); - *addr = 0x50; /* clear status register */ - *addr = 0x20; /* erase setup */ - *addr = 0xD0; /* erase confirm */ - - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0xB0; /* suspend erase */ - *addr = 0xFF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = 0x50; /* clear status register cmd */ - *addr = 0xFF; /* resest to read mode */ - - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - unsigned char data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) - return 4; - - wp = addr; - port_width = 1; - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, unsigned char data) -{ - volatile unsigned char *addr = (volatile unsigned char *) dest; - ulong status; - ulong start; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, - (ulong) * addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - *addr = 0x40; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - /* wait while polling the status register */ - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = 0xFF; /* restore read mode */ - return (1); - } - } - - *addr = 0xFF; /* restore read mode */ - - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/board/cm41xx/Kconfig b/board/cm41xx/Kconfig deleted file mode 100644 index 99e675b..0000000 --- a/board/cm41xx/Kconfig +++ /dev/null @@ -1,12 +0,0 @@ -if TARGET_CM41XX - -config SYS_BOARD - default "cm41xx" - -config SYS_SOC - default "ks8695" - -config SYS_CONFIG_NAME - default "cm41xx" - -endif diff --git a/board/cm41xx/MAINTAINERS b/board/cm41xx/MAINTAINERS deleted file mode 100644 index f10eeb5..0000000 --- a/board/cm41xx/MAINTAINERS +++ /dev/null @@ -1,6 +0,0 @@ -CM41XX BOARD -#M: - -S: Maintained -F: board/cm41xx/ -F: include/configs/cm41xx.h -F: configs/cm41xx_defconfig diff --git a/board/cm41xx/Makefile b/board/cm41xx/Makefile deleted file mode 100644 index b71ea05..0000000 --- a/board/cm41xx/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y := cm41xx.o flash.o diff --git a/board/cm41xx/cm41xx.c b/board/cm41xx/cm41xx.c deleted file mode 100644 index eabad48..0000000 --- a/board/cm41xx/cm41xx.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * (C) Copyright 2005 - * Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com> - * - * (C) Copyright 2002 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/platform.h> -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* ------------------------------------------------------------------------- */ - -#define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) -#define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b) - -/* ------------------------------------------------------------------------- */ - - -/* - * Miscelaneous platform dependent initialisations - */ -int env_flash_cmdline (void) -{ - char *sp = (char *) 0x0201c020; - char *ep; - int len; - - /* Check if "erase" push button is depressed */ - if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) { - printf("### Entering network recovery mode...\n"); - setenv("bootargs", "console=ttyAM0,115200 mem=32M initrd=0x400000,8M root=/dev/ram0"); - setenv("bootcmd", "bootp 0x400000; gofsk 0x400000"); - setenv("bootdelay", "2"); - return 0; - } - - /* Check for flash based kernel boot args to use as default */ - for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++) - ; - - if ((len > 0) && (len <1024)) - setenv("bootargs", sp); - - return 0; -} - -int board_late_init (void) -{ - return 0; -} - -int board_eth_init(bd_t *bis) -{ - return ks8695_eth_initialize(); -} - -int board_init (void) -{ - /* arch number of CM41xx */ - gd->bd->bi_arch_number = 672; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x00000100; - - /* power down all but port 0 on the switch */ - ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005); - ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005); - - return 0; -} - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - - return (0); -} diff --git a/board/cm41xx/config.mk b/board/cm41xx/config.mk deleted file mode 100644 index 0d5923b..0000000 --- a/board/cm41xx/config.mk +++ /dev/null @@ -1 +0,0 @@ -CONFIG_SYS_TEXT_BASE = 0x00f00000 diff --git a/board/cm41xx/flash.c b/board/cm41xx/flash.c deleted file mode 100644 index 8315a57..0000000 --- a/board/cm41xx/flash.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - * (C) Copyright 2005 - * Greg Ungerer, OpenGear Inc, greg.ungerer@opengear.com - * - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/byteorder/swab.h> -#include <asm/sections.h> - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, unsigned char data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((unsigned char *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - case 1: - /* ignore for now */ - flash_info[i].flash_id = FLASH_UNKNOWN; - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + (__bss_end - __bss_start), - &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) - return; - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info) -{ - volatile unsigned char value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = 0xAA; - addr[0x2AAA] = 0x55; - addr[0x5555] = 0x90; - - mb (); - value = addr[0]; - - switch (value) { - - case (unsigned char)INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = 0xFF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[2]; /* device ID */ - - switch (value) { - - case (unsigned char)INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (unsigned char)INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000; - break; /* => 16 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = 0xFF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int prot, sect; - ulong type; - int rcode = 0; - ulong start; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) - printf ("- Warning: %d protected sectors will not be erased!\n", prot); - else - printf ("\n"); - - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - volatile unsigned char *addr; - unsigned char status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - addr = (volatile unsigned char *) (info->start[sect]); - *addr = 0x50; /* clear status register */ - *addr = 0x20; /* erase setup */ - *addr = 0xD0; /* erase confirm */ - - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0xB0; /* suspend erase */ - *addr = 0xFF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = 0x50; /* clear status register cmd */ - *addr = 0xFF; /* resest to read mode */ - - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - unsigned char data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) - return 4; - - wp = addr; - port_width = 1; - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, unsigned char data) -{ - volatile unsigned char *addr = (volatile unsigned char *) dest; - ulong status; - ulong start; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, - (ulong) * addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - *addr = 0x40; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - /* wait while polling the status register */ - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = 0xFF; /* restore read mode */ - return (1); - } - } - - *addr = 0xFF; /* restore read mode */ - - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} |